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A Rolodex was a rotating file device used to store business contact information (the name is a portmanteau word of ''rolling'' and ''index'') with classic replicas manufactured by Newell Rubbermaid. The Rolodex held specially shaped index cards; the user wrote or typed the contact information for one person or company onto each card. The cards were notched to be able to be snapped in and out of the rotating spindle. Some users taped the contact's business card directly to the Rolodex index card, or a plastic or vinyl sleeve in the shape of a Rolodex card to place the business card within. Some companies produced business cards in the shape of Rolodex cards, as a marketing idea. The Rolodex was invented in 1956, by the Danish engineer Hildaur Neilsen, the chief engineer of Zephyr American, a stationery manufacturer in New York. First marketed in 1958,〔(【引用サイトリンク】 title=Fascinating facts about the invention of Rolodex by Hildaur Neilsen in 1954. )〕 it was an improvement to an earlier design called the ''Wheeldex''. Zephyr American also invented, manufactured and sold the Autodex, a spring-operated phone directory that automatically opened to the selected letter, ''Swivodex'', an inkwell that did not spill, ''Punchodex'', a paper hole puncher, and ''Clipodex'', an office aid that attached to a stenographer's knee. The name ''rolodex'' has become somewhat genericized for any personal organizer performing this function, or as a general term to describe the sum total of an individual's accumulated business contacts. == See also == * Address book * Contact list * Index card * Microsoft Cardfile 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「rolodex」の詳細全文を読む スポンサード リンク
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